Possible BGP hijack

Beginning at 2023-02-15 09:04:10, we detected a possible BGP hijack.

Prefix 172.0.0.0/12, Normally announced by AS7018 ATT-INTERNET4, US

Starting at 2023-02-15 09:04:10, a more specific route (172.8.0.0/16) was announced by ASN 9498.

This was detected by 5 BGPMon peers.

Expected
Start time: 2023-02-15 09:04:10 UTC
Expected prefix: 172.0.0.0/12
Expected ASN: 7018 (ATT-INTERNET4, US)
Event Details
Detected advertisement: 172.8.0.0/16
Detected Origin ASN 9498 (BBIL-AP BHARTI Airtel Ltd., IN)
Detected AS Path 202365 49697 199610 34309 6461 7473 9498
Detected by number of BGPMon peers: 5

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